Lighting Upgrade Calculators

Lighting accounts for a large portion of your energy bill.  Lighting upgrades are often simple and a cost effective way to reduce your electricity usage.

• Lighting Upgrade
• Return On InvestmentROI
• About This CalculatorAbout

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Number of Fixtures	100		Required Enter a value between 1 and 100,000
Watts per Fixture (existing)	100		Required Enter a value between 1 and 1000
Watts per Fixture (Replacement)	10		Required Enter a value between 1 and 1000
Cost to replace (per Fixture)	25		Required Enter a value between 0 and 600
Annual Number of hours on	4500		Required Enter a value between 0 and 8760
Local Utility Rate ($/kWh)	.20		Enter a value between 0.050 and .500